more we spend on financial aid, and it would be a tragedy if the country moved in a direction to make education less affordable so, we, as a university, are very dependent and very concerned about the fiscal health of the country. >> host: are you also in the classroom here at the university? >> guest: i do enjoy teaching, and i take every opportunity to meet with students to tox r talk to students and teach in the spare time. >> host: what does a provost do, and how long were you at princeton? >> guest: i was at princeton for 28 years from the time i got my ph.d. to the time i came to penn, and i was deep of the faculty at simpson since the chief academic and chief financial officer at princeton so the provost works closely with the president. >> host: what's the learning curve on being a president of the university? >> guest: well, it's steep for anybody, and it's also very excited. >> reporter: how many students? >> guest: so the university of pennsylvania has 10,000 undergraduates, approximately 10,000 graduate students. we have about 4500 faculty members. we run three hospitals, and we hav